🔄 Smart Converters

Universal
Conversion Tools

Number systems, engineering units, color spaces — all processed locally in your browser. No uploads, no server.

Number Systems
DEC
42 255 13 170
BIN
00101010 11111111 00001101 10101010
HEX
0x2A 0xFF 0x0D 0xAA
Unit Converter
100 km → 62.14 mi
72 °F → 22.2 °C
1 kg → 2.205 lb
500 mL → 0.5 L
100 km → 62.14 mi
Color Converter
RGB: 139, 92, 246
HEX: #8B5CF6
HSL: 263° 67% 66%

🔢 Number System Converter

Convert between Decimal, Binary, Octal, Hexadecimal — with 1's & 2's Complement

Bit Complements
1's Complement
—
Invert all bits
2's Complement
—
1's complement + 1
2's complement is the standard way computers represent negative integers. −N = 2's complement of N

📏 Universal Unit Converter

Length, Area, Volume, Weight, Speed, Pressure, Energy & more

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🔤 ASCII & Character Finder

Find ASCII codes, Hex, Binary, and HTML entities

DECIMAL
-
HEX
-
BINARY
-
HTML ENTITY
-

⏱️ Unix Timestamp Converter

Convert between Unix timestamp and human-readable date

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📅 Date & Age Calculator

Calculate age, days between dates, or add/subtract days

🎨 Color Converter

Convert between HEX, RGB, and HSL color formats